#5B65CC#5B65CC

#5B65CC is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.158 H 275.8°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B65CC
RGB	rgb(91, 101, 204)
HSL	hsl(235, 53%, 58%)
HSV	hsv(235, 55%, 80%)
CMYK	cmyk(55.4%, 50.5%, 0%, 20%)
CIE-LAB	lab(46.83, 25.90, -54.85)
CIE-LCH	lch(46.83, 60.66, 295.28°)
OKLab	oklab(55.17% 0.0159 -0.1567)
OKLCH	oklch(55.17% 0.158 275.8)
XYZ	xyz(19.8637, 15.8898, 59.1353)
Luminance	0.1589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B65CC #CCC25B

analogous

#5B9ECC #5B65CC #895BCC

triadic

#5B65CC #CC5B65 #65CC5B

tetradic

#5B65CC #CC5B9E #CCC25B #5BCC89

square

#5B65CC #CC5B9E #CCC25B #5BCC89

split-complementary

#5B65CC #CC895B #9ECC5B

monochromatic

#293184 #3742B2 #5B65CC #8A91DB #B8BDE9

Accessibility & contrast

On white

5.03

#5B65CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#5B65CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B65CC

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B65CC	#FFFFFF	#000000	##FFFFFF
##5B65CC	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3074D0

Deuteranopia (green-blind)

#1E6ACA

Tritanopia (blue-blind)

#1F7C8F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b65cc;
/* rgb */ color: rgb(91, 101, 204);
/* oklch */ color: oklch(55.2% 0.158 275.8);

Tailwind

colors: {
  custom: {
    50: '#9290dc',
    500: '#5b65cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b65cc;
$custom-light: #9290dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b65cc",
  "rgb": {
    "r": 91,
    "g": 101,
    "b": 204
  },
  "hsl": {
    "h": 234.69,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.55165,
    "c": 0.1575,
    "h": 275.8
  },
  "luminance": 0.15891
}

Semantic roles & 50–950 ramp

primary

#5B65CC

secondary

#D8D4AB

accent

#CF4CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B65CC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →